Observatory · observe first
American International Group
AIG · United States · Multi-line Insurance · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.230%
12M weight contribution
-0.080 pp
3M weight contribution
+0.104 pp
12M price return
-12.7%
Share of matched S&P 500 members
Monthly observations through Apr 2019
Company price index
A separate dimension from market allocation
Historical observations
Most recent 24 observations at or before the selected month
| Month | Market cap | Universe weight | 12M weight change | 12M return | Above 6M weight average |
|---|---|---|---|---|---|
| Apr 2019 | $41.4bn | 0.230% | -0.080 pp | -12.7% | Yes |
| Mar 2019 | $37.4bn | 0.215% | -0.086 pp | -18.6% | Yes |
| Feb 2019 | $37.6bn | 0.218% | -0.092 pp | -22.7% | Yes |
| Jan 2019 | $38.2bn | 0.126% | -0.202 pp | -30.6% | No |
| Dec 2018 | $34.9bn | 0.125% | -0.203 pp | -36.7% | No |
| Nov 2018 | $38.3bn | 0.127% | -0.201 pp | -31.1% | No |
| Oct 2018 | $36.7bn | 0.124% | -0.203 pp | -34.2% | No |
| Sep 2018 | $47.3bn | 0.151% | -0.177 pp | -15.2% | No |
| Aug 2018 | $47.2bn | 0.152% | -0.175 pp | -15.8% | No |
| Jul 2018 | $49.6bn | 0.289% | -0.039 pp | -12.6% | No |
| Jun 2018 | $47.6bn | 0.289% | -0.039 pp | -16.1% | No |
| May 2018 | $47.4bn | 0.288% | -0.040 pp | -16.9% | No |
| Apr 2018 | $50.5bn | 0.311% | -0.017 pp | -11.9% | No |
| Mar 2018 | $49.1bn | 0.301% | -0.026 pp | -14.4% | No |
| Feb 2018 | $51.7bn | 0.310% | -0.018 pp | -10.3% | No |
| Jan 2018 | $57.5bn | 0.328% | +0.000 pp | +0.0% | No |
Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.